dlls/msvcrt/main.c

   1 /*
   2  * msvcrt.dll initialisation functions
   3  *
   4  * Copyright 2000 Jon Griffiths
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20 #include "msvcrt.h"
  21
  22 #include "msvcrt/locale.h"
  23 #include "msvcrt/stdio.h"
  24
  25 #include "wine/debug.h"
  26
  27 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
  28
  29 /* Index to TLS */
  30 DWORD MSVCRT_tls_index;
  31
  32 static inline BOOL msvcrt_init_tls(void);
  33 static inline BOOL msvcrt_free_tls(void);
  34 const char* msvcrt_get_reason(DWORD reason) WINE_UNUSED;
  35
  36 /*********************************************************************
  37  *                  Init
  38  */
  39 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
  40 {
  41   MSVCRT_thread_data *tls;
  42
  43   TRACE("(%p, %s, %p) pid(%lx), tid(%lx), tls(%ld)\n",
  44         hinstDLL, msvcrt_get_reason(fdwReason), lpvReserved,
  45         GetCurrentProcessId(), GetCurrentThreadId(),
  46         (long)MSVCRT_tls_index);
  47
  48   switch (fdwReason)
  49   {
  50   case DLL_PROCESS_ATTACH:
  51     if (!msvcrt_init_tls())
  52       return FALSE;
  53     msvcrt_init_mt_locks();
  54     msvcrt_init_io();
  55     msvcrt_init_console();
  56     msvcrt_init_args();
  57     MSVCRT_setlocale(0, "C");
  58     TRACE("finished process init\n");
  59     break;
  60   case DLL_THREAD_ATTACH:
  61     break;
  62   case DLL_PROCESS_DETACH:
  63     msvcrt_free_mt_locks();
  64     msvcrt_free_io();
  65     msvcrt_free_console();
  66     msvcrt_free_args();
  67     if (!msvcrt_free_tls())
  68       return FALSE;
  69     TRACE("finished process free\n");
  70     break;
  71   case DLL_THREAD_DETACH:
  72     /* Free TLS */
  73     tls = TlsGetValue(MSVCRT_tls_index);
  74     if (tls) HeapFree(GetProcessHeap(), 0, tls);
  75     TRACE("finished thread free\n");
  76     break;
  77   }
  78   return TRUE;
  79 }
  80
  81 static inline BOOL msvcrt_init_tls(void)
  82 {
  83   MSVCRT_tls_index = TlsAlloc();
  84
  85   if (MSVCRT_tls_index == TLS_OUT_OF_INDEXES)
  86   {
  87     ERR("TlsAlloc() failed!\n");
  88     return FALSE;
  89   }
  90   return TRUE;
  91 }
  92
  93 static inline BOOL msvcrt_free_tls(void)
  94 {
  95   if (!TlsFree(MSVCRT_tls_index))
  96   {
  97     ERR("TlsFree() failed!\n");
  98     return FALSE;
  99   }
 100   return TRUE;
 101 }
 102
 103 const char* msvcrt_get_reason(DWORD reason)
 104 {
 105   switch (reason)
 106   {
 107   case DLL_PROCESS_ATTACH: return "DLL_PROCESS_ATTACH";
 108   case DLL_PROCESS_DETACH: return "DLL_PROCESS_DETACH";
 109   case DLL_THREAD_ATTACH:  return "DLL_THREAD_ATTACH";
 110   case DLL_THREAD_DETACH:  return "DLL_THREAD_DETACH";
 111   }
 112   return "UNKNOWN";
 113 }
 114
 115
 116 /*********************************************************************
 117  *              $I10_OUTPUT (MSVCRT.@)
 118  * Function not really understood but needed to make the DLL work
 119  */
 120 void MSVCRT_I10_OUTPUT(void)
 121 {
 122   /* FIXME: This is probably data, not a function */
 123 }
 124
 125 /*********************************************************************
 126  *              __unDNameEx (MSVCRT.@)
 127  *
 128  * Demangle a C++ identifier.
 129  *
 130  * PARAMS
 131  *  OutStr   [O] If not NULL, the place to put the demangled string
 132  *  mangled  [I] Mangled name of the function
 133  *  OutStrLen[I] Length of OutStr
 134  *  memget   [I] Function to allocate memory with
 135  *  memfree  [I] Function to free memory with
 136  *  unknown  [?] Unknown, possibly a call back
 137  *  flags    [I] Flags determining demangled format
 138  *
 139  * RETURNS
 140  *  Success: A string pointing to the unmangled name, allocated with memget.
 141  *  Failure: NULL.
 142  */
 143 char* MSVCRT___unDNameEx(char * OutStr, const char* mangled, int OutStrLen,
 144                        MSVCRT_malloc_func memget,
 145                        MSVCRT_free_func memfree,
 146                        void * unknown,
 147                        unsigned short int flags)
 148 {
 149   FIXME("(%p,%s,%d,%p,%p,%p,%x) stub!\n",
 150           OutStr, mangled, OutStrLen, memget, memfree, unknown, flags);
 151
 152   /* FIXME: The code in tools/winebuild/msmangle.c is pretty complete and
 153    * could be used here.
 154    */
 155
 156   /* Experimentation reveals the following flag meanings when set:
 157    * 0x0001 - Don't show __ in calling convention
 158    * 0x0002 - Don't show calling convention at all
 159    * 0x0004 - Don't show function/method return value
 160    * 0x0010 - Same as 0x1
 161    * 0x0080 - Don't show access specifier (public/protected/private)
 162    * 0x0200 - Don't show static specifier
 163    * 0x0800 - Unknown, passed by type_info::name()
 164    * 0x1000 - Only report the variable/class name
 165    * 0x2000 - Unknown, passed by type_info::name()
 166    */
 167   /* Duplicate the mangled name; for comparisons it doesn't matter anyway */
 168   if( OutStr == NULL) {
 169       OutStrLen = strlen(mangled) + 1;
 170       OutStr = memget( OutStrLen);
 171   }
 172   strncpy( OutStr, mangled, OutStrLen);
 173   return OutStr;
 174 }
 175
 176
 177 /*********************************************************************
 178  *              __unDName (MSVCRT.@)
 179  */
 180 char* MSVCRT___unDName(char * OutStr, const char* mangled, int OutStrLen,
 181                        MSVCRT_malloc_func memget,
 182                        MSVCRT_free_func memfree,
 183                        unsigned short int flags)
 184 {
 185    return MSVCRT___unDNameEx( OutStr, mangled, OutStrLen, memget, memfree,
 186            NULL, flags);
 187 }